Questions tagged [hdmi]

HDMI stands for High Definition Multimedia Interface. Along with the Composite RCA, HDMI is one of the devices' two video outputs. It provides high quality digital video.

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19 views

HDMI seems to be dead

We have almost 300 RPi3B+ with monitors connected via HDMI. These RPis are supplied with power via GPIO pins 2 and 4 (5V, 3A). Also from the same PSU monitors for these RPis also supplied with power (...
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What version of HDMI do the Raspberry 4 and the Zero W have?

I expected this to be easy to determine by googling, but apparently not. What version of HDMI (e.g. 1.4, 2.0 etc) does the Raspberry Pi 4 have? What about the Zero W? Thanks.
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No display out or signal, is the Pi 4 faulty?

first time posting, but I'm just confused, and wondering if I got a faulty raspberry pi 4. I have a raspberry pi 4 8Gb RAM Model. Parts used for the pi: -ice tower cooler -2 Cana kit micro HDMI to ...
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RPi 3 Model B+ HDMI not working due to new version of Raspberrypi OS

I've updated my RPi 3 B+ which has been working like a charm for years, but I ended up with a black screen, no HDMI connected message on my TV. Steps I've follow: Download Raspberry Pi Imager. Plug ...
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Bluetooth stops working after using HDMI audio output

I have been unable to hear anything from my rasberryPi4 out of my wireless headphones just after I used the HDMI port on my monitor (which also stopped working at the same time). I know that the issue ...
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Display going to sleep and not turning on

I am working on a kiosk powered by RaspberryPi 4, and I have a problem when the pi is running with a DVI/VGA adapter. The issue is that monitor is that the monitor goes to sleep during the night: I ...
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32 views

How to make application window sizes fit within smaller screen dimensions on Raspbian

This is my first question so forgive my inconsistencies in Stack Exchange writing convention. I am using a Raspberry Pi 4 Model B connected to a 5" (800*480px) HDMI touchscreen. [Here is the ...
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Can HDMI CEC be used with standard TV remote functions from a Pi to the TV itself?

I was wondering if I could use HDMI CEC with standard TV remote functions using a Raspberry Pi, like punching in numbers, or changing the channel, etc? I'm trying with cec-client. I suspect I would be ...
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HDMI No Signal on LG TV (but works on other TVs)

I was at my parent’s for the weekend and I used the time to setup OSMC on my new RPi 4. They have an older (~10 years) Samsung TV and everything worked fine (including CEC or whatever it’s called on ...
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Desktop inside a desktop after changing HDMI 2 resolution

After starting one time my Raspberry Pi 4 without the HDMI cable plugged in, I had the resolution 1024x768. I set the right resolution to 1920x1080. It looks good, but now looks like I have a square ...
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35 views

AirPlay just through HDMI?

I am fairly new to this Raspberry community and I would like to set up mine Raspberry as pocket audio streamer / light computer. I have installed Raspbian where I want to run AirPlay (shairport-sync) ...
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35 views

Headphone Jack deactive when RasPi starts without screen

I want to set up a Jukebox (Phoniebox) with my RasPi (3b+) with an audio output via the headphone Jack. When I boot the RasPi (3b+) with a connected HDMI screen, everything works fine, and I get an ...
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How to enable display connector during runtime?

I use two hdmi ports during runtime. One for display with user interface (HDMI-A-1) and one for projector (HDMI-A-2). I had to disable the connector with the projector (HDMI-A-2) during the boot ...
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49 views

Raspberry pi screen rotation with OpenGL

As titled, in raspianLite, if I enable OpenGL (fake KMS) I'm unable to rotate the screen using the /boot/config.txt file i tried: display_hdmi_rotate=1 and display_rotate=1 with no success, any ...
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No backlight control with HDMI screen?

I have a Eviciv 7 Inch HDMI touchscreen which I really like. One thing that bothers me a lot is that the backlight keeps on when the RPi (3B+) goes to sleep. The screen blanks, but the backlight leds ...
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Connecting a pi-4 4GB to stereo for 5.1 surround sound

First I'm a new Raspberry Pi user on my first project. I have a Sony ZA3100ES Receiver set up to provide 5.1 surround sound that works great with DVDs and Cable TV but I want to connect to Netflix ...
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Micro HDMI to VGA and VGA to HDMI adapter

i have VGA cable i try to connect raspberry pi 4 with Micro HDMI to VGA and VGA to HDMI. display doesn't showing anything. what setting should i use.
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Wait for HDMI CEC input, then wake up AVR

Following situation: My AppleTV 4k is connected to a HDMI audio video splitter. The splitter has one output (video) to my 4k TV. The other splitter output (audio) goes to my HD Denon AVR. (The ...
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Force video output to part of a monitor

I have a FHD monitor with a smashed screen on the left side only. Is it possible to force the PI to output video to only part of the screen? For example, output 1500 x 1080, and align to the right ...
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44 views

Unable to get Qt5 audio to work using pulseaudio on Rpi 4

I'm on Raspberry pi 4 and the OS is DietPi I configured ALSA so I could play an audio file successfully through HDMI using aplay [an audio file] Then launched the PyQt5 app but got PulseAudioService: ...
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simultaneous audio playback is not working

i have raspberrypi4, i flashed webos ose edition in that. i have connected 2 hdmi displays and play using aplay in hdmi1, hdmi2 and lineout(headphones), I am getting error from aplay. #cat /proc/...
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106 views

Use HDMI output on headless system running on RPi4

I am using Yocto and meta-raspberrypi to build a Linux image running on my RPi4. I would like to send a video to one of the HDMI outputs, but without running a graphical environment (I don't need a ...
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Display working on TV but with incorrect detection

My raspberry's display is working on TV but without detecting or loading drivers so the resolution is just 1360x768. I have tried xrandr but says Can't open display. Also tried cec-client but says ...
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142 views

RetroPie on Pi 4B won't display on LG smart tv

I have a Raspberry Pi 4B and have installed RetroPie on it (by flashing the image provided on the RetroPie site). In the beginning, connecting to my LG smart tv (43UM7600PLB) worked fine. After a ...
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39 views

RasPi4 does 2nd init of HDMI, thus ignoring config.txt read done at boot

RasPi 4B When I edit config.txt, trying to force a certain resolution, RasPi always comes up with the monitors preferred resolution. After a lot of trying, including a completely new fresh OS install, ...
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125 views

Pi 4B ignores HDMI mode 4 - 640x480, boots instead at 1024x768

I edited /boot/config.txt to use hdmi_group=2 and hdmi_mode=4; one HDMI monitor is connected to the first connector. It starts at 1024x768 instead. Only when I explicitly run xrandr --output HDMI-1 --...
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26 views

Extending PiCam with CSI to HDMI issue

(Links to Amazon are not affiliated, or endorsed, but strictly to show the devices used) I wanted to extend my PiCam distance from my RPI3B, and purchased a CSI-to-HDMI module ( https://www.amazon.com/...
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51 views

Omxplayer not always starting with rc.local

I have trouble with my Raspberry Pi 4B configuration. I prepared RPI to work with TV - it turns on the TV and switches active source to HDMI1 with cec-client. After turning on the TV it should start ...
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21 views

Read RFID tag and display chart via HDMI

I'm a beginner in Raspberry Pi developing, I'm more familiar with embedded programming. But now, I have got a project, where I definitely need the performance and GUI of an Raspberry Pi :) Overview I'...
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Scope and challenges to connecting small but zoom-able touch-sensitive display to Pi 4 HDMI output for setup and focus?

note: Not a shopping question, I'm trying to find out if 1) this is possible and 2) what the scope of the challenge to setting this up is, before I go out and buy a screen or the wrong screen. I have ...
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Raspbian Lite not playing vlc audio through HDMI

I have an RPi 3 running Raspbian Lite with vlc installed, I'm trying to get this setup for a TV, to play some branding from a directory on loop. Currently there's an issue with playing the audio from ...
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301 views

Raspberry Pi 4B - UBUNTU 21.04 - DSI + HDMI

SPECS: Raspberry Pi 4 Model B, Ubuntu hirsute hippo (21.04) 64 bit, 4.3 inch Capacitive Touch Display for Raspberry Pi, DSI Interface, 800×480 Initially I used HDMI to do setup with raspberry pi 4 ...
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No hdmi sound option (Rpi 4 ubuntu 21.04)

When I go to settings -> sound I can change the sound output to the bluetooth headset or the built-in audio jack like normal. But the option "HDMI" simply does not appear in the options ...
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S.O.S Monitor Says No signal and HDMI inactive to Raspberry Pi4B

I connected mi PI4B to the monitor with HDMI-MicroHDMI adapter, and when I power de PI device, the monitor says "HDMI Inactive" and no signal. The screen was in black. The Red led of the PI ...
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171 views

Dual-Window RPi: HDMI + TFT

Like others, I'd like to set up my RPi (3/B+) with two independent screens: an HDMI and a 3.5" TFT hat (mine happens to be from Adafruit). I can get to the point where the HDMI monitor works ...
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284 views

Raspberry Pi Audio - Can not get 5.1 Surround Sound Audio to output to HDMI

I have an applications where I need to do the following on a Raspberry Pi (3, 4, and/or Zero) running the latest version of Raspberry Pi OS: Play an AC3 file with 5.1 audio over HDMI. Play an MP3 or ...
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Set HDMI for 7'' display fails on Pi4

Trying to run Waveshare 7'' display on my Pi4. According to Waveshare manual I should set params manually in config.txt: [all] max_usb_current=1 hdmi_group=2 hdmi_mode=87 hdmi_cvt 1024 600 60 6 0 0 0 ...
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31 views

Television is blinking while connecting to Raspberry Pi

I have changed config in the following way: overscan_left=16 overscan_right=16 overscan_top=16 overscan_bottom=16 framebuffer_width=800 framebuffer_height=600 config_hdmi_boost=6 And I am in text ...
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31 views

Is it possible to correct the HDMI projection angle for Raspberry Pi?

I'm making a chromium kiosk mode web application running on my Pi sync on 2 screen. One is the 7 inches touch screen. The second is connected to a projector in HDMI and projected on a curved wall (the ...
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48 views

HDMI output does not fill full 800x480 TFT display

I have a Raspberry Pi running Raspberry Pi OS Lite (CLI only). The Pi is attached over HDMI, via an adapter, to a 7.0 inch 800x480 TFT display from Adafruit. When I boot up the CLI, the console only ...
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107 views

Attempting to control a Raspberry Pi running Kodi with a LG RF remote

I'm running a Kodi application within a Raspberry Pi4 connected to an HDMI port on an LG TV with an RF remote. The problem is that I'm not able to control the Kodi application using the LG's RF ...
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How to detect dpi automaticly and set zoom?

I have an Raspberry Pi 4b with Rasbian OS. I want to connect this device to an Full-HD or 4K (Retina) display (not at the same time). This works, but there is no automaticly scaling on 4k like on ...
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49 views

Wakeup HDMI display from standby without interrupting blank screen

I've a HDMI display attached to a RasperryPi 4. After few minutes, first a blank screen is activated, then the display goes into standby. I want to wakeup the display from standby (by a sensor via ...
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I am trying to flip/mirror an hdmi signal and would like to use a Pi to do it

I need to get an hdmi signal to show a mirror image(not duplicate) that i would like to put inline of a video feed. So it would be: SOURCE—>outputCABLE-->PI—->CABLE—>TO MONITOR. Is it a ...
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269 views

Pi4: Allow boot with and without HDMI

I need to boot my Pi4 to boot with AND without a HDMI cable plugged in. In order to boot without a monitor connected to the Pi, I've added hdmi_force_hotplug=1 To the config.txt. Now the Pi boots ...
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fbi freezes system and other apps

I'm trying to display an image to HDMI output with fbi. I have a 3.5-inch touchscreen and a video projector as output. fbi works fine but the problem is that fbi freezes the system while shows an ...
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69 views

RPi4 jack only works when HDMI connected

I have a RPi4 with an USB microphone (I think it's unrelated to the issue) and jack speakers powered via USB. This set up worked flawlessly in a RPi3B, by the way. (Raspberry Pi OS) The problem is ...
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170 views

usb3 to hdmi on linux - why can my chromebox do it, but my ras pi can't?

i should mention I'm a linux newb. I only use dumb redhat servers at work (barely) but hate windows so much i've got a chromebox and ras pi 4 to try to free myself. and my apps. i've found that ...
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How to automatically switch between the official 7" DPI display and a HDMI TV on Raspberry Pi 3?

I use a RPi3 with the Recalbox OS for some retrogaming. And I want to use the official 7" DPI monitor when it's portable, and the HDMI when I connect it to the TV. I tried plugging the HDMI cable ...
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(Pi 3B+) RCA works but HDMI crashes after "colored splash screen"

How are you? I recently bought a used raspberry 3 b+ (my first one), at first I couldn´t use the HDMI port because it only gave me the "colored splash screen" and just after that "no ...

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